Medscape's Editor-in-Chief, Eric Topol, MD, is a practicing cardiologist and a recognized leader in the fields of genomic and digital medicine. He is a professor of genomics at the Scripps Research Institute and chief academic officer of Scripps Health. His frequent contributions to Medscape include interviews with key thought leaders in medicine.

George Lundberg, MD, is an internationally recognized pathologist and former editor-in-chief of Medscape and JAMA. He presents commentary on a range of topics, including medical ethics, social determinants of health, the business of healthcare, and trends in research.

Gregory A. Nichols, PhD, is a Senior Investigator at the Kaiser Permanente Center for Health Research in Portland, Oregon. He writes about research in diabetes care, including his own studies and publications.

Richard M. Plotzker, MD, is a staff physician at Mercy Philadelphia Hospital in Philadelphia, Pennsylvania. His regular columns describe the issues faced by practicing endocrinologists, often with a touch of humor.

In this series, Jay Shubrook, DO, a primary care diabetologist and professor of medicine at Touro University, interviews other leading experts about best strategies to manage patients with type 2 diabetes in the primary care setting.

David A. Johnson, MD, is professor of medicine and chief of gastroenterology at Eastern Virginia Medical School in Norfolk, Virginia. He regularly offers his perspective on current topics in gastroenterology.

Paul Sax, MD, clinical director of the HIV Program and Division of Infectious Diseases at Brigham and Women's Hospital, provides his perspective on the most important HIV studies presented at research meetings, as well as other advances in HIV care.

Paul G. Auwaerter, MD, is Clinical Director of the Division of Infectious Diseases at Johns Hopkins University School of Medicine, in Baltimore, MD. He offers commentary on a variety of trending topics in infectious diseases.

Paul A. Offit, MD, is director of the Vaccine Education Center at the Children's Hospital of Philadelphia (CHOP) in Pennsylvania. He contributes regular commentaries on vaccine-related topics in infectious disease.

Dr. Isaacson is an associate professor in the Department of Neurology at Weill Cornell Medicine in New York City. Here he covers the latest advances in the prevention and management of Alzheimer’s disease.

Andrew N. Wilner, MD, is a neurohospitalist in the Department of Neurology at Lawrence + Memorial Hospital in New London, Connecticut. His column covers issues in pathophysiology, diagnosis, and management of seizures.

David J. Kerr, CBE, MD, DSc, FRCP, FMedSci, is a professor in the Nuffield Department of Clinical Laboratory Science at the University of Oxford, and professor of cancer medicine at Oxford Cancer Centre in Oxford, United Kingdom. He presents commentary on gastrointestinal cancers, cancer prevention, and issues in global oncology.

Maurie Markman, MD, of Cancer Treatment Centers of America, provides his perspective on developments in the gynecologic cancers, with a focus on published studies and their implications for patient management.

John L. Marshall, MD, is a professor in the Division of Hematology-Oncology at Georgetown University, and director of the Ruesch Center for the Cure of Gastrointestinal Cancers at Georgetown Lombardi Comprehensive Cancer Center in Washington, DC. He offers commentary on gastrointestinal cancers, genomic medicine, and factors affecting cancer costs and practice.

Kathy D. Miller, MD, is a professor at Indiana University and co-director of the Indiana University Simon Cancer Center Breast Cancer Program, in Indianapolis, Indiana. She presents commentary on breast cancer, cancer prevention, and factors affecting the practice of oncology.

Lidia Schapira, MD, associate professor of oncology at Stanford, provides viewpoints on breast cancer research and the special concerns of young cancer survivors, as well as the psychosocial support of cancer patients and improved patient-physician communication.

Jeffrey S. Weber, MD, PhD, is deputy director of the Perlmutter Cancer Center at New York University, where he works with a multidisciplinary team to treat patients with melanomas ranging from the most common to the most complex. He is also co-director of the Melanoma Research Program, overseeing work in experimental therapeutics with a focus on immunotherapy for cancer.

Douglas Paauw, MD, a primary care internist and professor of medicine at the University of Washington, challenges primary care clinicians with patient scenarios related to adverse events from a number of pharmacologic drugs commonly used in primary care.

In this series, Charles Vega, MD, a clinical professor in family medicine at the University of California, Irvine, interviews a range of experts about changing trends and information in the care of patients with the most common conditions seen in primary care.

Jeffrey A. Lieberman, MD, is professor and chair in the Department of Psychiatry at Columbia University College of Physicians and Surgeons in New York, New York. He discusses a wide range of psychiatry topics, including policy, scientific advancements, and treatments.

Jonathan Kay, MD, is professor of medicine at University of Massachusetts Medical School and director of clinical research in the Division of Rheumatology at UMass Memorial Medical Center in Worcester, Massachusetts. He covers a wide range of rheumatology topics, from RA, to gout, to the history of rheumatologic conditions.